It is easy to obtained definite problems of finite deformation beams under various simple cases and its linear theory.

应用本文方法可以很容易地得到梁有限变形各种简单情形的定解问题以及它的线性理论。

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Based on the theory of multi-phase media continuum mechanics, the coupling instability theory of coal-methane outburst is proposed under finite deformation.

本文在多相介质力学的理论基础上，提出了煤体有限变形下煤与瓦斯突出的耦合失稳理论。

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According to the deformation of elastic-plastic theory, the finite element analysis model of metal diaphragm for tank of propulsion system in satellite was established in this paper.

根据弹塑性有限变形理论，用有限元法建立了卫星推进系统贮箱金属膜片变形的有限元分析模型。

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